html,
body {
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

::-webkit-scrollbar {
  /*滚动条整体样式*/
  width: 10px; /*高宽分别对应横竖滚动条的尺寸*/
  height: 1px;
}
::-webkit-scrollbar-thumb {
  /*滚动条里面小方块*/
  border-radius: 10px;
  background-color: skyblue;
  background-image: -webkit-linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.2) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.2) 75%,
    transparent 75%,
    transparent
  );
}
::-webkit-scrollbar-track {
  /*滚动条里面轨道*/
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  background: #ededed;
  border-radius: 10px;
}

// 操作
.op {
  display: flex;
  align-items: center;
}
a.a-link {
  text-decoration: none;
  color: rgb(17, 127, 244);
}
.not-allow {
  color: #ddd;
  text-decoration: none;
  cursor: not-allowed;
}
